2053115332949 has 4 divisors (see below), whose sum is σ = 2086772961420. Its totient is φ = 2019457704480.

The previous prime is 2053115332937. The next prime is 2053115332973. The reversal of 2053115332949 is 9492335113502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113961606724 + 1939153726225 = 337582^2 + 1392535^2 .

It is a cyclic number.

It is not a de Polignac number, because 2053115332949 - 2²⁴ = 2053098555733 is a prime.

It is a super-4 number, since 4×2053115332949⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053115332249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16828814144 + ... + 16828814265.

It is an arithmetic number, because the mean of its divisors is an integer number (521693240355).

Almost surely, 2^{2053115332949} is an apocalyptic number.

It is an amenable number.

2053115332949 is a deficient number, since it is larger than the sum of its proper divisors (33657628471).

2053115332949 is an equidigital number, since it uses as much as digits as its factorization.

2053115332949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33657628470.

The product of its (nonzero) digits is 874800, while the sum is 47.

The spelling of 2053115332949 in words is "two trillion, fifty-three billion, one hundred fifteen million, three hundred thirty-two thousand, nine hundred forty-nine".